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diff --git a/www/releaselog/3_17_0.html b/www/releaselog/3_17_0.html new file mode 100644 index 0000000..d5648c7 --- /dev/null +++ b/www/releaselog/3_17_0.html @@ -0,0 +1,191 @@ +<!DOCTYPE html> +<html><head> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<link href="../sqlite.css" rel="stylesheet"> +<title>SQLite Release 3.17.0 On 2017-02-13</title> +<!-- path=../ --> +</head> +<body> +<div class=nosearch> +<a href="../index.html"> +<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0"> +</a> +<div><!-- IE hack to prevent disappearing logo --></div> +<div class="tagline desktoponly"> +Small. Fast. Reliable.<br>Choose any three. +</div> +<div class="menu mainmenu"> +<ul> +<li><a href="../index.html">Home</a> +<li class='mobileonly'><a href="javascript:void(0)" onclick='toggle_div("submenu")'>Menu</a> +<li class='wideonly'><a href='../about.html'>About</a> +<li class='desktoponly'><a href="../docs.html">Documentation</a> +<li class='desktoponly'><a href="../download.html">Download</a> +<li class='wideonly'><a href='../copyright.html'>License</a> +<li class='desktoponly'><a href="../support.html">Support</a> +<li class='desktoponly'><a href="../prosupport.html">Purchase</a> +<li class='search' id='search_menubutton'> +<a href="javascript:void(0)" onclick='toggle_search()'>Search</a> +</ul> +</div> +<div class="menu submenu" id="submenu"> +<ul> +<li><a href='../about.html'>About</a> +<li><a href='../docs.html'>Documentation</a> +<li><a href='../download.html'>Download</a> +<li><a href='../support.html'>Support</a> +<li><a href='../prosupport.html'>Purchase</a> +</ul> +</div> +<div class="searchmenu" id="searchmenu"> +<form method="GET" action="../search"> +<select name="s" id="searchtype"> +<option value="d">Search Documentation</option> +<option value="c">Search Changelog</option> +</select> +<input type="text" name="q" id="searchbox" value=""> +<input type="submit" value="Go"> +</form> +</div> +</div> +<script> +function toggle_div(nm) { +var w = document.getElementById(nm); +if( w.style.display=="block" ){ +w.style.display = "none"; +}else{ +w.style.display = "block"; +} +} +function toggle_search() { +var w = document.getElementById("searchmenu"); +if( w.style.display=="block" ){ +w.style.display = "none"; +} else { +w.style.display = "block"; +setTimeout(function(){ +document.getElementById("searchbox").focus() +}, 30); +} +} +function div_off(nm){document.getElementById(nm).style.display="none";} +window.onbeforeunload = function(e){div_off("submenu");} +/* Disable the Search feature if we are not operating from CGI, since */ +/* Search is accomplished using CGI and will not work without it. */ +if( !location.origin || !location.origin.match || !location.origin.match(/http/) ){ +document.getElementById("search_menubutton").style.display = "none"; +} +/* Used by the Hide/Show button beside syntax diagrams, to toggle the */ +function hideorshow(btn,obj){ +var x = document.getElementById(obj); +var b = document.getElementById(btn); +if( x.style.display!='none' ){ +x.style.display = 'none'; +b.innerHTML='show'; +}else{ +x.style.display = ''; +b.innerHTML='hide'; +} +return false; +} +var antiRobot = 0; +function antiRobotGo(){ +if( antiRobot!=3 ) return; +antiRobot = 7; +var j = document.getElementById("mtimelink"); +if(j && j.hasAttribute("data-href")) j.href=j.getAttribute("data-href"); +} +function antiRobotDefense(){ +document.body.onmousedown=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousedown=null; +} +document.body.onmousemove=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousemove=null; +} +setTimeout(function(){ +antiRobot |= 1; +antiRobotGo(); +}, 100) +antiRobotGo(); +} +antiRobotDefense(); +</script> +<h2>SQLite Release 3.17.0 On 2017-02-13</h2><p><ol class='lessindent'> +<li>Approximately 25% better performance from the <a href="../rtree.html">R-Tree extension</a>. + <ol type='a'> + <li> Uses compiler built-ins (ex: __builtin_bswap32() or _byteswap_ulong()) + for byteswapping when available. + <li> Uses the <a href="../c3ref/blob.html">sqlite3_blob</a> key/value access object instead of SQL + for pulling content out of R-Tree nodes + <li> Other miscellaneous enhancements such as loop unrolling. + </ol> +<li>Add the <a href="../compile.html#default_lookaside">SQLITE_DEFAULT_LOOKASIDE</a> compile-time option. +<li>Increase the default <a href="../malloc.html#lookaside">lookaside</a> + size from 512,125 to 1200,100 + as this provides better performance while only adding 56KB + of extra memory per connection. Memory-sensitive + applications can restore the old + default at compile-time, start-time, or run-time. +<li>Use compiler built-ins __builtin_sub_overflow(), __builtin_add_overflow(), + and __builtin_mul_overflow() when available. (All compiler + built-ins can be omitted with the <a href="../compile.html#disable_intrinsic">SQLITE_DISABLE_INTRINSIC</a> compile-time + option.) +<li>Added the <a href="../compile.html#enable_null_trim">SQLITE_ENABLE_NULL_TRIM</a> compile-time option, which + can result in significantly smaller database files for some + applications, at the risk of being incompatible with older + versions of SQLite. +<li>Change <a href="../compile.html#default_pcache_initsz">SQLITE_DEFAULT_PCACHE_INITSZ</a> from 100 to 20, for + improved performance. +<li>Added the SQLITE_UINT64_TYPE compile-time option as an + analog to SQLITE_INT64_TYPE. +<li>Perform some <a href="../lang_update.html">UPDATE</a> operations in a single pass instead of + in two passes. +<li>Enhance the <a href="../sessionintro.html">session extension</a> to support <a href="../withoutrowid.html">WITHOUT ROWID</a> + tables. +<li>Fixed performance problems and potential stack overflows + when creating <a href="../lang_createview.html">views</a> from multi-row VALUES clauses with + hundreds of thousands of rows. +<li>Added the <a href="https://www.sqlite.org/src/file/ext/misc/sha1.c">sha1.c</a> + extension. +<li>In the <a href="../cli.html">command-line shell</a>, enhance the ".mode" command so that it + restores the default column and row separators for modes "line", + "list", "column", and "tcl". +<li>Enhance the <a href="../compile.html#direct_overflow_read">SQLITE_DIRECT_OVERFLOW_READ</a> option so that it works + in <a href="../wal.html">WAL mode</a> as long as the pages being read are not in the WAL file. +<li>Enhance the + <a href="../lemon.html">Lemon parser generator</a> + so that it can store the parser object as a stack variable rather than + allocating space from the heap and make use of that enhancement in + the <a href="../amalgamation.html">amalgamation</a>. +<li>Other performance improvements. Uses about <a href="../cpu.html">6.5% fewer CPU cycles</a>. +<p><b>Bug Fixes:</b> +<li>Throw an error if the ON clause of a LEFT JOIN references tables + to the right of the ON clause. This is the same behavior as + PostgreSQL. Formerly, SQLite silently converted the LEFT JOIN + into an INNER JOIN. Fix for ticket + <a href="https://www.sqlite.org/src/info/25e335f802dd">25e335f802dd</a>. +<li>Use the correct affinity for columns of automatic indexes. Ticket + <a href="https://www.sqlite.org/src/info/7ffd1ca1d2ad4ec">7ffd1ca1d2ad4ec</a>. +<li>Ensure that the <a href="../c3ref/blob_reopen.html">sqlite3_blob_reopen()</a> interface can correctly + handle short rows. Fix for ticket + <a href="https://www.sqlite.org/src/info/e6e962d6b0f06f46e">e6e962d6b0f06f46e</a>. +<p><b>Hashes:</b> +<li>SQLITE_SOURCE_ID: "2017-02-13 16:02:40 ada05cfa86ad7f5645450ac7a2a21c9aa6e57d2c" +<li>SHA1 for sqlite3.c: cc7d708bb073c44102a59ed63ce6142da1f174d1 + + +</ol></p> + + <p>A <a href="../changes.html">complete list of SQLite releases</a> + in a single page and a <a href="../chronology.html">chronology</a> are both also available. + A detailed history of every + check-in is available at + <a href="https://www.sqlite.org/src/timeline"> + SQLite version control site</a>.</p> + + |